Nicotinamide mononucleotide filtering and purifying device

The utility model provides a nicotinamide mononucleotide filtering and purifying device. The nicotinamide mononucleotide filtering and purifying device comprises a filtering and purifying tank, a coarse filtering tank communicated with the filtering and purifying tank, and a filter residue cleaning scraping frame arranged in the filtering and purifying tank, a filtrate cavity is formed between the filtering membrane and the inner tank wall of the filtering and purifying tank, the filtering membrane is arranged between the first supporting net and the second supporting net, and the first supporting net and the second supporting net are laid along the inner tank wall of the filtering and purifying tank and used for fixing the filtering membrane in the distribution direction of the inner tank wall of the filtering and purifying tank; a liquid outlet pipe for communicating the filtrate cavity with the outside is arranged in the filtrate cavity; a feeding hole and a raw material discharging pipe are arranged on th